From: Schulz, Dave (DSchulz@dpsciences.com)
Date: Tue Jul 12 2005 - 09:51:07 GMT-3
This brings up an interesting situation. Yes, you are correct...if you have
both R1 and R3 as clients to R2, then everyone is happy. However, the
original question had R3 as a non-client to R2....well, considering the need
to have a full-mesh (not using RR at this router)....I would say that we need
to have a connection set up to both R2 AND R1. What do you think?
Dave
-----Original Message-----
From: nobody@groupstudy.com
To: san; lab
Sent: 7/10/2005 11:23 PM
Subject: RE: Basic BGP question
Hi,
Question 1: Yes, it will work. When using RRs, the requirement is to
have a full-mesh between all RRs and non-client IBGP peers, which you
have got.
Question 2: Within confederations, session establishment works just as
it does between actual EBGP peers. Therefore, if you are configuring a
session between peers in two different sub-ASs, you will need to use
ebgp-multihop if you are peering to non-directly-connected addresses
(e.g. loopbacks).
HTH,
Paresh.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
san
Sent: Monday, 11 July 2005 01:09 PM
To: lab
Subject: Basic BGP question
Hi all,
Below basic BGP questions poped up my mind. I am sure most of you
know.
Question 1:
-----------------
R6----ebgp----R1 -------R2-------R3-----ebgp---R7
R1, R2, and R3 are IBGP.
R5 & R7 are external peers
Quote:
Routes from Non-client (R3) is advertised to clients only.
Routes from Clients is advertised to non-clients + other clients.
Assuming the quote is correct, Can i define just R1 as client to R2
& leave R3 as non-client to R2. Will everything work ok ? or Is
there a problem expected ?
Question 2:
-----------------
Within Confederation, according to previous observations & notes (IE
lab 8) i have written down "ebgp-multihop is not needed within
private peers of same confederation". I recently saw a
contradicating statement in one of the tech tips... that Can you
answer which one is correct ?
Thanks in Advance
/SAN
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